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iron dihydroxide


Gas phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Quantity Value Units Method Reference Comment
Deltafgas-330.54kJ/molReviewChase, 1998Data last reviewed in June, 1966
Quantity Value Units Method Reference Comment
gas,1 bar283.08J/mol*KReviewChase, 1998Data last reviewed in June, 1966

Gas Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. - 1400.1400. - 6000.
A 86.48621109.8442
B 8.5338120.097940
C 9.929428-0.120940
D -5.0950660.011963
E -1.626380-13.15864
F -362.2382-390.6270
G 375.6512381.8327
H -330.5364-330.5364
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1966 Data last reviewed in June, 1966

Condensed phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Quantity Value Units Method Reference Comment
Deltafsolid-574.04kJ/molReviewChase, 1998Data last reviewed in June, 1966
Quantity Value Units Method Reference Comment
solid87.93J/mol*KReviewChase, 1998Data last reviewed in June, 1966

Solid Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. - 1500.
A 56.70701
B 132.1357
C -83.59967
D 17.25465
E 0.711267
F -593.7180
G 124.7196
H -574.0448
ReferenceChase, 1998
Comment Data last reviewed in June, 1966

Vibrational and/or electronic energy levels

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Marilyn E. Jacox

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

b 6 OH a-stretch 3727.9 Ar IR Wang and Andrews, 2006
7 FeO2 a-stretch 737.3 Ar IR Kauffman, Hauge, et al., 1985
Zhang, Zhou, et al., 2001
Wang and Andrews, 2006

Additional references: Jacox, 1994, page 251; Jacox, 2003, page 265


References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Vibrational and/or electronic energy levels, NIST Free Links, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]

Wang and Andrews, 2006
Wang, X.; Andrews, L., Infrared Spectra of M(OH), J. Phys. Chem. A, 2006, 110, 33, 10035, https://doi.org/10.1021/jp0624698 . [all data]

Kauffman, Hauge, et al., 1985
Kauffman, J.W.; Hauge, R.H.; Margrave, J.L., Studies of reactions of atomic and diatomic chromium, manganese, iron, cobalt, nickel, copper, and zinc with molecular water at 15 K, J. Phys. Chem., 1985, 89, 16, 3541, https://doi.org/10.1021/j100262a023 . [all data]

Zhang, Zhou, et al., 2001
Zhang, L.; Zhou, M.; Shao, L.; Wang, W.; Fan, K.; Qin, Q., Reactions of Fe with H, J. Phys. Chem. A, 2001, 105, 29, 6998, https://doi.org/10.1021/jp010914n . [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]

Jacox, 2003
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement B, J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629 . [all data]


Notes

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